/* ============================================================
   ShortBook — design system
   Warm cream + coral palette, modern editorial typography.
   ============================================================ */

:root {
  /* Shortbook brand: teal → blue gradient */
  --bg: #F5FAFB;
  --bg-2: #FFFFFF;
  --surface: #FFFFFF;
  --ink: #0F2C3A;
  --ink-2: #244B5F;
  --ink-soft: #4C6B7C;
  --muted: #8AA1AD;
  --line: #DDE9EC;

  /* Accents (from logo gradient) */
  --accent: #3DA89E;          /* primary teal */
  --accent-2: #1F6FAA;        /* primary blue */
  --accent-soft: #E2F1EE;     /* light teal tint */
  --accent-deep: #15598A;     /* hover blue */
  --plum: #0E2C3A;            /* deep navy */
  --green: #1DBF73;

  /* Shape */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 28px;

  /* Shadow */
  --sh-1: 0 1px 2px rgba(26,19,48,.05), 0 6px 18px rgba(26,19,48,.06);
  --sh-2: 0 10px 30px rgba(26,19,48,.08);
  --sh-pop: 0 20px 60px -10px rgba(31,111,170,.45);

  /* Type */
  --f-sans: "Plus Jakarta Sans", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-serif: "Fraunces", Georgia, serif;
  --f-body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--f-sans);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent-deep); }

button { font: inherit; }

.container {
  width: min(1180px, 92vw);
  margin: 0 auto;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 8px;
  z-index: 100;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ===================== Typography ===================== */
.display {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: clamp(2.4rem, 5.6vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}
.h-1 {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 12px;
}
.h-2 {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: clamp(1.6rem, 2.8vw, 2.25rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}
.serif { font-family: var(--f-serif); }
.ink-accent {
  background: linear-gradient(120deg, var(--accent) 30%, var(--accent-2));
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
  font-style: italic;
}
.lead {
  font-family: var(--f-body);
  font-size: 1.125rem;
  color: var(--ink-2);
  max-width: 32em;
  margin: 0 0 26px;
}
.lead-sm {
  font-family: var(--f-body);
  color: var(--ink-2);
  font-size: 1.05rem;
  margin: 6px 0 24px;
}
.muted { color: var(--muted); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 10px;
}

/* ===================== Buttons ===================== */
.btn {
  appearance: none;
  border: none;
  cursor: pointer;
  font-family: var(--f-sans);
  font-weight: 600;
  font-size: 0.96rem;
  padding: 12px 20px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease;
  text-decoration: none;
  line-height: 1;
}
.btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 6px 16px rgba(26,19,48,.18);
}
.btn-primary:hover { background: var(--accent); color: #fff; box-shadow: var(--sh-pop); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-lg { padding: 15px 26px; font-size: 1rem; }
.btn-block { display: flex; justify-content: center; width: 100%; }

/* ===================== Nav ===================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 246, 238, .85);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid rgba(26,19,48,.06);
}
.nav-row {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--ink);
}
.brand-mark {
  width: 32px;
  height: 32px;
  display: block;
  object-fit: contain;
}
.brand-text {
  font-family: var(--f-sans);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}
.brand-text span {
  color: inherit;
}
.brand-sm .brand-text { font-size: 1.05rem; }

.nav-links {
  display: flex;
  gap: 26px;
  margin-left: 32px;
  flex: 1;
}
.nav-links a {
  font-weight: 500;
  color: var(--ink-2);
  font-size: 0.96rem;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a[aria-current="page"] { color: var(--accent-deep); }

.nav-cta { display: flex; gap: 10px; }

.nav-toggle {
  display: none;
  background: transparent; border: none; cursor: pointer;
  width: 40px; height: 40px; padding: 0;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  margin: 4px auto;
}

/* ===================== Hero ===================== */
.hero {
  padding: 56px 0 40px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 520px; height: 520px;
  background: radial-gradient(closest-side, rgba(255,179,107,.45), transparent 70%);
  filter: blur(20px);
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -180px; left: -120px;
  width: 460px; height: 460px;
  background: radial-gradient(closest-side, rgba(255,106,74,.25), transparent 70%);
  filter: blur(30px);
  z-index: 0;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-copy { max-width: 36em; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.7);
  border: 1px solid rgba(26,19,48,.08);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 22px;
}
.badge .dot {
  width: 8px; height: 8px; border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(255,106,74,.18);
}

.hero-cta {
  display: flex;
  gap: 8px;
  background: #fff;
  padding: 6px;
  border-radius: 999px;
  border: 1px solid var(--line);
  box-shadow: var(--sh-1);
  max-width: 460px;
  margin-bottom: 18px;
}
.hero-cta input {
  flex: 1;
  border: none;
  outline: none;
  font-family: var(--f-body);
  font-size: 1rem;
  padding: 10px 16px;
  background: transparent;
  color: var(--ink);
}
.hero-trust {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.stars { color: #F4B400; letter-spacing: 2px; }

/* Hero art (phone mockup + floating 3D emoji stickers) */
.hero-art {
  position: relative;
  height: 520px;
  display: grid;
  place-items: center;
}

/* Phone mockup */
.phone-mock {
  width: 260px;
  height: 460px;
  background: #1A1330;
  border-radius: 38px;
  padding: 14px;
  box-shadow: 0 30px 60px -20px rgba(26,19,48,.45),
              inset 0 0 0 2px rgba(255,255,255,.06);
  position: relative;
  z-index: 2;
  animation: floaty 6s ease-in-out infinite;
}
.phone-mock::before {
  content: "";
  position: absolute;
  top: 18px; left: 50%;
  transform: translateX(-50%);
  width: 90px; height: 22px;
  background: #0F0A20;
  border-radius: 12px;
  z-index: 3;
}
.phone-screen {
  height: 100%;
  background: linear-gradient(180deg, #2A1F4A, #1A1330);
  border-radius: 26px;
  padding: 50px 22px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #fff;
}
.phone-cover {
  width: 130px;
  aspect-ratio: 2 / 3;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 18px;
  box-shadow: 0 10px 24px rgba(0,0,0,.35);
  position: relative;
}
.phone-cover img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.phone-title {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  margin-bottom: 2px;
}
.phone-sub {
  font-size: .78rem;
  color: rgba(255,255,255,.65);
  margin-bottom: 14px;
}
.phone-bar {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,.16);
  border-radius: 999px;
  margin-bottom: 14px;
  overflow: hidden;
}
.phone-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 999px;
}
.phone-ctrls {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 1.1rem;
  color: rgba(255,255,255,.7);
}
.phone-play {
  width: 44px; height: 44px;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  display: grid; place-items: center;
  font-size: .9rem;
  box-shadow: 0 8px 20px rgba(255,106,74,.5);
}

/* Floating 3D emoji stickers */
.sticker {
  position: absolute;
  width: 88px;
  height: 88px;
  filter: drop-shadow(0 12px 20px rgba(26,19,48,.18));
  z-index: 3;
}
.s-books      { top: 30px;  left: 8%;  width: 96px; height: 96px; animation: floaty 5s ease-in-out -0.5s infinite; }
.s-headphones { top: 60px;  right: 8%; width: 92px; height: 92px; animation: floaty 6s ease-in-out -1.5s infinite; }
.s-fire       { bottom: 80px; right: 4%; width: 72px; height: 72px; animation: floaty 5s ease-in-out -2.5s infinite; }
.s-star       { bottom: 50px; left: 4%;  width: 68px; height: 68px; animation: floaty 6s ease-in-out -3.5s infinite; }
.s-bulb       { top: 50%; right: 0;     width: 76px; height: 76px; animation: floaty 7s ease-in-out -1s infinite; }
.float-card {
  position: absolute;
  width: 240px;
  border-radius: var(--r-lg);
  padding: 18px;
  color: #fff;
  box-shadow: var(--sh-2);
  display: flex; flex-direction: column; gap: 6px;
  font-family: var(--f-sans);
}
.float-card .emoji { font-size: 30px; margin-bottom: 6px; }
.float-card strong { font-size: 1.1rem; font-weight: 700; }
.float-card .muted { color: rgba(255,255,255,.8); font-size: .85rem; }
.float-card .bar {
  margin-top: 8px;
  height: 4px; border-radius: 999px;
  background: rgba(255,255,255,.25);
}
.float-card .bar span {
  display: block; height: 100%;
  background: #fff; border-radius: 999px;
}
.card-1 { top: 0; left: 10%; animation: floaty 6s ease-in-out infinite; }
.card-2 { top: 38%; right: 0; animation: floaty 6s ease-in-out -2s infinite; }
.card-3 { bottom: 12%; left: 0; animation: floaty 6s ease-in-out -4s infinite; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.now-playing {
  position: absolute;
  bottom: -10px; right: 4%;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 10px 8px 8px;
  display: flex; align-items: center; gap: 10px;
  box-shadow: var(--sh-2);
}
.np-cover {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 999px;
  display: grid; place-items: center;
  font-size: 18px;
}
.np-meta { display: flex; flex-direction: column; line-height: 1.1; padding-right: 6px; }
.np-meta strong { font-size: .78rem; }
.np-meta span { color: var(--muted); font-size: .8rem; }
.np-play {
  width: 36px; height: 36px;
  background: var(--ink); color: #fff;
  border: none; border-radius: 999px;
  display: grid; place-items: center;
  cursor: pointer;
}

/* ===================== Stats banner ===================== */
.stats-band {
  background: var(--ink);
  color: #fff;
  padding: 36px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-cell strong {
  display: block;
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1;
  margin-bottom: 6px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}
.stat-cell span {
  font-size: .92rem;
  color: rgba(255, 255, 255, .7);
  font-weight: 500;
}

/* ===================== Why grid ===================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.why-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px;
  transition: transform .18s ease, box-shadow .2s ease;
}
.why-card:hover { transform: translateY(-3px); box-shadow: var(--sh-2); }
.why-icon {
  width: 80px; height: 80px;
  display: block;
  margin: -4px 0 14px;
  filter: drop-shadow(0 8px 14px rgba(26,19,48,.15));
}
.why-card h3 {
  font-size: 1.1rem;
  margin: 0 0 6px;
  letter-spacing: -.01em;
}
.why-card p {
  margin: 0;
  color: var(--ink-2);
  font-size: .96rem;
  line-height: 1.55;
}

/* ===================== Testimonials ===================== */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.quote-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  overflow: hidden;
}
.quote-card::before {
  content: "\201C";
  position: absolute;
  top: -20px; right: 16px;
  font-family: var(--f-serif);
  font-size: 120px;
  color: var(--accent-soft);
  line-height: 1;
  pointer-events: none;
}
.quote {
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 1.08rem;
  line-height: 1.5;
  color: var(--ink);
  margin: 0;
  position: relative;
}
.quote-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}
.quote-author img {
  width: 44px; height: 44px;
  border-radius: 999px;
  background: var(--accent-soft);
}
.quote-author strong {
  display: block;
  font-size: .94rem;
}
.quote-author span {
  color: var(--muted);
  font-size: .82rem;
}

/* ===================== How illustration card ===================== */
.how-illu {
  width: 100%;
  max-width: 260px;
  aspect-ratio: 5 / 3;
  border-radius: var(--r-md);
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.how-illu::after {
  content: "";
  position: absolute;
  width: 140px; height: 140px;
  border-radius: 999px;
  background: rgba(255,255,255,.4);
  filter: blur(8px);
  z-index: 0;
}
.how-illu img {
  width: 110px; height: 110px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 10px 20px rgba(26,19,48,.2));
  transition: transform .3s ease;
}
.how-card:hover .how-illu img {
  transform: translateY(-4px) scale(1.05);
}

/* ===================== Strip ===================== */
.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
  background: var(--bg-2);
}
.strip-label {
  text-align: center;
  font-size: 0.78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}
.strip-row {
  display: flex; flex-wrap: wrap; gap: 30px 48px; justify-content: center;
  color: var(--ink-2);
  font-weight: 700;
  letter-spacing: .04em;
  opacity: .82;
}

/* ===================== Sections ===================== */
.section { padding: 80px 0; }
.section-tint { background: var(--bg-2); }
.section-pricing { padding: 90px 0; }

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}
.section-head.center { text-align: center; display: block; }
.section-head.center .eyebrow { display: inline-block; }
.link-arrow {
  font-weight: 600;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.link-arrow:hover { color: var(--accent); }

/* ===================== Book cards ===================== */
.book-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 22px;
}
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 22px;
}
.book-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease;
  text-decoration: none;
  color: inherit;
}
.book-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-2);
  border-color: transparent;
}
.book-card .cover {
  aspect-ratio: 3 / 4;
  border-radius: var(--r-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #fff;
  position: relative;
  overflow: hidden;
  isolation: isolate; /* contains z-index */
}
/* Shimmer skeleton while the image loads. Hidden once .has-cover lands. */
.book-card .cover::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(110deg,
    transparent 30%, rgba(255,255,255,.18) 50%, transparent 70%);
  background-size: 220% 100%;
  animation: shimmer 1.4s linear infinite;
  pointer-events: none;
  z-index: 1;
}
.book-card .cover.has-cover::before { display: none; }
@keyframes shimmer {
  0%   { background-position: 220% 0; }
  100% { background-position: -120% 0; }
}
.book-card .cover::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 50%, rgba(0,0,0,.28));
  pointer-events: none;
  z-index: 2;
}
.book-card .cover .cover-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: inherit;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity .35s ease, transform .5s ease;
  z-index: 0;
}
.book-card .cover.has-cover .cover-img {
  opacity: 1;
  transform: scale(1);
}
/* Once the real cover is in, hide the title/author overlay (book art has its own type). */
.book-card .cover.has-cover .cover-title,
.book-card .cover.has-cover .cover-author,
.book-card .cover.has-cover .emo {
  display: none;
}
.book-card .cover .emo {
  font-size: 36px;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,.18));
  position: relative;
  z-index: 3;
}
.book-card .cover .cover-title {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.15;
  position: relative;
  z-index: 3;
}
.book-card .cover .cover-author {
  font-size: .78rem;
  opacity: .9;
  position: relative;
  z-index: 3;
}
.book-card .meta { padding: 0 4px 4px; }
.book-card .title {
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.25;
  margin: 0 0 4px;
}
.book-card .author {
  color: var(--muted);
  font-size: 0.86rem;
  margin: 0 0 8px;
}
.book-card .footline {
  display: flex; justify-content: space-between; align-items: center;
  font-size: .82rem;
  color: var(--ink-soft);
}
.book-card .play-mini {
  width: 30px; height: 30px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  border-radius: 999px;
  display: grid; place-items: center;
  border: none;
}
.book-card:hover .play-mini { background: var(--accent); color: #fff; }

/* ===================== Infinite scroll sentinel ===================== */
.load-sentinel {
  margin: 30px 0 0;
  padding: 22px;
  text-align: center;
  color: var(--muted);
  font-size: .92rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.load-sentinel.is-done { display: none; }
.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 999px;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===================== Categories ===================== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.cat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 22px;
  display: flex; flex-direction: column; gap: 8px;
  transition: transform .18s ease, box-shadow .2s ease;
  position: relative;
  overflow: hidden;
}
.cat-card::before {
  content: "";
  position: absolute;
  top: -40px; right: -40px;
  width: 120px; height: 120px;
  border-radius: 999px;
  background: var(--gradient, linear-gradient(135deg,var(--accent),var(--accent-2)));
  opacity: .25;
  transition: opacity .2s, transform .2s;
}
.cat-card:hover { transform: translateY(-2px); box-shadow: var(--sh-2); }
.cat-card:hover::before { opacity: .55; transform: scale(1.1); }
.cat-card .emo { font-size: 28px; }
.cat-card strong { font-size: 1.05rem; }
.cat-card .count { color: var(--muted); font-size: .88rem; }

/* ===================== How it works ===================== */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.how-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
}
.how-num {
  font-family: var(--f-serif);
  font-size: 2.4rem;
  font-weight: 600;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}
.how-card h3 { margin: 0 0 6px; font-size: 1.15rem; }
.how-card p { color: var(--ink-2); margin: 0; }

/* ===================== Pricing ===================== */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 30px;
}
.price-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
}
.price-card h3 { margin: 0; font-size: 1.1rem; color: var(--ink-2); }
.price-card .price {
  font-family: var(--f-serif);
  font-size: 2.4rem;
  font-weight: 600;
  margin: 0;
}
.price-card .price span {
  font-family: var(--f-body);
  font-size: 1rem;
  color: var(--muted);
  font-weight: 400;
}
.price-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  display: flex; flex-direction: column; gap: 8px;
  color: var(--ink-2);
}
.price-card ul li {
  padding-left: 22px;
  position: relative;
}
.price-card ul li::before {
  content: "";
  position: absolute; left: 0; top: 8px;
  width: 14px; height: 8px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}
.price-card.featured {
  background: var(--ink);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--sh-2);
}
.price-card.featured h3 { color: rgba(255,255,255,.7); }
.price-card.featured .price span { color: rgba(255,255,255,.6); }
.price-card.featured ul { color: rgba(255,255,255,.86); }
.price-card.featured ul li::before { border-color: var(--accent-2); }
.price-card.featured .btn-primary { background: var(--accent); }
.price-card.featured .btn-primary:hover { background: #fff; color: var(--ink); }
.ribbon {
  position: absolute;
  top: -14px; right: 18px;
  background: var(--accent);
  color: #fff;
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
}

/* ===================== CTA band ===================== */
.cta-band {
  background: linear-gradient(135deg, var(--ink), var(--plum));
  color: #fff;
  padding: 80px 0;
  text-align: center;
}
.cta-band h2 {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 24px;
}
.cta-band .btn-primary {
  background: var(--accent);
}
.cta-band .btn-primary:hover { background: #fff; color: var(--ink); }

/* ===================== Footer ===================== */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 50px 0 24px;
}
.footer h4 { margin: 0 0 12px; font-size: 0.92rem; color: var(--ink); }
.footer a { display: block; color: var(--ink-2); margin-bottom: 8px; font-size: .92rem; }
.footer a:hover { color: var(--accent); }
.footer-row {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
}
.foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.foot-bottom {
  display: flex; justify-content: space-between;
  padding-top: 22px;
  font-size: .86rem;
  color: var(--muted);
}

/* ===================== Library page ===================== */
.lib-hero {
  padding: 56px 0 32px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.lib-hero::before {
  content: "";
  position: absolute; top: -120px; right: -100px;
  width: 360px; height: 360px;
  background: radial-gradient(closest-side, rgba(255,179,107,.5), transparent 70%);
  filter: blur(20px);
  z-index: 0;
}
.lib-hero .container { position: relative; z-index: 1; }
.lib-search {
  margin-top: 16px;
  display: flex; align-items: center; gap: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 18px;
  max-width: 520px;
  box-shadow: var(--sh-1);
  color: var(--ink-soft);
}
.lib-search input {
  flex: 1;
  border: none; outline: none;
  font: inherit;
  font-family: var(--f-body);
  color: var(--ink);
  background: transparent;
}

.lib-body { padding: 16px 0 80px; }
.lib-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: start;
}
.lib-side {
  position: sticky;
  top: 88px;
}
.side-h {
  font-family: var(--f-sans);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}
.chip-col { display: flex; flex-direction: column; gap: 6px; }
.chip {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  color: var(--ink-2);
  font-weight: 500;
  text-align: left;
  font-size: .94rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px;
}
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"] {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.chip .num { color: var(--muted); font-size: .8rem; }
.chip[aria-pressed="true"] .num { color: rgba(255,255,255,.7); }

.lib-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px;
}
.sort {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .9rem;
  color: var(--ink-2);
}
.sort select {
  font: inherit;
  font-family: var(--f-sans);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  color: var(--ink);
}
.empty {
  padding: 40px;
  text-align: center;
  color: var(--muted);
  border: 2px dashed var(--line);
  border-radius: var(--r-lg);
}
.hidden { display: none !important; }

/* ===================== Book detail page ===================== */
.book-shell { padding-bottom: 140px; } /* room for fixed player */

.book-hero {
  padding: 40px 0 30px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  position: relative;
  overflow: hidden;
}
.book-hero-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 44px;
  align-items: center;
}
.book-cover-wrap { display: flex; justify-content: center; }
.book-cover {
  aspect-ratio: 2 / 3;          /* standard book proportion — Open Library covers fit perfectly */
  width: 240px;
  border-radius: var(--r-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #fff;
  box-shadow: 0 30px 60px -20px rgba(26,19,48,.4);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
/* Shimmer skeleton while image loads */
.book-cover::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(110deg,
    transparent 30%, rgba(255,255,255,.18) 50%, transparent 70%);
  background-size: 220% 100%;
  animation: shimmer 1.4s linear infinite;
  pointer-events: none;
  z-index: 1;
}
.book-cover.has-cover::before { display: none; }
.book-cover::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(0,0,0,.32));
  pointer-events: none;
  z-index: 2;
}
.book-cover .cover-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: inherit;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity .4s ease, transform .6s ease;
  z-index: 0;
}
.book-cover.has-cover .cover-img {
  opacity: 1;
  transform: scale(1);
}
.book-cover.has-cover .book-cover-title,
.book-cover.has-cover .book-cover-author,
.book-cover.has-cover .book-emoji {
  display: none;
}
.book-emoji {
  font-size: 48px;
  filter: drop-shadow(0 4px 16px rgba(0,0,0,.2));
  position: relative;
  z-index: 3;
}
.book-cover-title {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: 1.2rem;
  line-height: 1.15;
  position: relative;
  z-index: 3;
}
.book-cover-author {
  font-size: .85rem;
  opacity: .9;
  position: relative;
  z-index: 3;
}

.back-link {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--ink-soft);
  font-size: .88rem;
  font-weight: 500;
  margin-bottom: 14px;
}
.back-link:hover { color: var(--accent); }
.cats { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.cats span {
  background: var(--accent-soft);
  color: var(--accent-deep);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .02em;
}
.book-author {
  font-size: 1.05rem;
  color: var(--ink-2);
  margin: 0 0 22px;
}
.stat-row {
  display: flex;
  gap: 32px;
  margin-bottom: 24px;
}
.stat strong {
  display: block;
  font-family: var(--f-serif);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--ink);
}
.stat span {
  color: var(--muted);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* Reader */
.reader-section { padding: 50px 0 60px; }
.reader-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}
.chapter-list {
  position: sticky;
  top: 88px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 20px;
}
.ch-list {
  list-style: none;
  padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 2px;
  max-height: 70vh; overflow-y: auto;
}
.ch-list li {
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  display: flex; align-items: flex-start; gap: 10px;
  transition: background .15s;
}
.ch-list li:hover { background: var(--bg); }
.ch-list li.is-active {
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-weight: 600;
}
.ch-list li .ch-num {
  font-family: var(--f-serif);
  font-weight: 600;
  width: 22px;
  color: var(--muted);
  font-size: .95rem;
  text-align: right;
  flex-shrink: 0;
}
.ch-list li.is-active .ch-num { color: var(--accent-deep); }
.ch-list li .ch-name {
  font-size: .92rem;
  line-height: 1.3;
}
.ch-list li .ch-min {
  margin-left: auto;
  font-size: .78rem;
  color: var(--muted);
  flex-shrink: 0;
}

.reader {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 44px;
  box-shadow: var(--sh-1);
}
.reader-head {
  padding-bottom: 24px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.reader-head .muted {
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-weight: 700;
  margin: 0 0 6px;
}
.reader-body {
  font-family: var(--f-serif);
  font-size: 1.18rem;
  line-height: 1.7;
  color: var(--ink);
  font-weight: 400;
}
.reader-body p { margin: 0 0 1.1em; }
.reader-body p::first-letter { font-weight: 600; }
.reader-nav {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 12px;
}

/* ===================== Audio Player (fixed) ===================== */
.player {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(960px, 94vw);
  z-index: 40;
  border-radius: 999px;
  background: rgba(26, 19, 48, .94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: #fff;
  box-shadow: 0 20px 50px -10px rgba(26,19,48,.5);
  animation: slide-up .3s ease;
}
@keyframes slide-up {
  from { transform: translate(-50%, 60px); opacity: 0; }
  to { transform: translate(-50%, 0); opacity: 1; }
}
.player-inner {
  display: grid;
  grid-template-columns: auto 1fr auto 2fr auto;
  align-items: center;
  gap: 18px;
  padding: 10px 18px;
}
.player-cover {
  width: 42px; height: 42px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center;
  font-size: 20px;
}
.player-meta {
  min-width: 0;
  display: flex; flex-direction: column; line-height: 1.2;
}
.player-meta strong {
  font-size: .92rem;
  white-space: nowrap; text-overflow: ellipsis; overflow: hidden;
}
.player-meta span {
  font-size: .78rem;
  color: rgba(255,255,255,.65);
  white-space: nowrap; text-overflow: ellipsis; overflow: hidden;
}
.player-controls {
  display: flex; align-items: center; gap: 6px;
}
.ctrl {
  background: transparent;
  border: none;
  color: #fff;
  width: 38px; height: 38px;
  border-radius: 999px;
  display: grid; place-items: center;
  cursor: pointer;
  position: relative;
}
.ctrl:hover { background: rgba(255,255,255,.1); }
.ctrl-sm svg text { transform: translate(0, 2px); }
.ctrl-play {
  width: 48px; height: 48px;
  background: var(--accent);
  color: #fff;
}
.ctrl-play:hover { background: #fff; color: var(--ink); }
.ctrl-text {
  width: auto; padding: 0 12px;
  font-weight: 700;
  font-size: .86rem;
  letter-spacing: .04em;
}

.player-progress {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
}
.time {
  font-variant-numeric: tabular-nums;
  font-size: .78rem;
  color: rgba(255,255,255,.7);
  min-width: 36px;
}
.seek {
  position: relative;
  height: 6px;
  background: rgba(255,255,255,.18);
  border-radius: 999px;
  overflow: hidden;
}
.seek-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  width: 0;
}
.seek input {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0;
  cursor: pointer;
}

.player-extras { display: flex; gap: 4px; }

/* ===================== Responsive ===================== */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-art { height: 460px; margin-top: 8px; }
  .phone-mock { width: 220px; height: 400px; padding: 12px; border-radius: 32px; }
  .phone-screen { padding: 42px 18px 20px; border-radius: 22px; }
  .phone-cover { width: 110px; }
  .sticker { transform: scale(.82); }
  .s-books      { top: 10px;  left: 6%; }
  .s-headphones { top: 30px;  right: 4%; }
  .s-fire       { bottom: 50px; right: 0; }
  .s-star       { bottom: 30px; left: 2%; }
  .s-bulb       { top: 48%; right: -10px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .quote-grid { grid-template-columns: 1fr; }
  .book-row { grid-template-columns: repeat(2, 1fr); }
  .how-grid, .price-grid { grid-template-columns: 1fr; }
  .footer-row { grid-template-columns: 1fr; gap: 24px; }
  .foot-cols { grid-template-columns: repeat(3, 1fr); }
  .nav-links { display: none; }
  .nav-cta .btn-ghost { display: none; }
  .lib-grid { grid-template-columns: 1fr; }
  .lib-side { position: static; }
  .chip-col { flex-direction: row; flex-wrap: wrap; }
  .book-hero-grid { grid-template-columns: 1fr; text-align: center; }
  .cats, .stat-row, .hero-actions { justify-content: center; }
  .stat-row { justify-content: center; }
  .reader-grid { grid-template-columns: 1fr; }
  .chapter-list { position: static; max-height: none; }
  .reader { padding: 28px 22px; }
  .player-inner {
    grid-template-columns: auto 1fr auto auto;
    grid-template-rows: auto auto;
    row-gap: 8px;
  }
  .player-progress { grid-column: 1 / -1; }
  .player-cover { width: 36px; height: 36px; }
}

@media (max-width: 560px) {
  .display { font-size: 2.2rem; }
  .hero-cta { flex-direction: column; border-radius: 18px; padding: 10px; }
  .hero-cta input { padding: 12px 14px; }
  .hero-cta .btn { justify-content: center; }
  .strip-row { gap: 18px 22px; font-size: .88rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .stat-cell strong { font-size: 1.6rem; }
  .why-grid { grid-template-columns: 1fr; gap: 14px; }
  .why-card { padding: 22px; }
  .quote-card { padding: 22px; }
  .price-card.featured .ribbon { right: 16px; }
  .player { width: 96vw; bottom: 8px; border-radius: 22px; }
  .player-inner { padding: 10px 12px; }
  .ctrl-text { padding: 0 6px; font-size: .8rem; }
  .hero-art { height: 420px; }
  .phone-mock { width: 200px; height: 360px; }
  .phone-cover { width: 96px; }
  .sticker { transform: scale(.7); }
}

/* ===================== Focus styles ===================== */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}
input:focus-visible, select:focus-visible { outline-offset: 4px; }

/* ===================== Scrollbar (subtle) ===================== */
.ch-list::-webkit-scrollbar { width: 6px; }
.ch-list::-webkit-scrollbar-thumb { background: var(--line); border-radius: 999px; }

/* ===================== Auth modal ===================== */
.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
  animation: fade-in .18s ease;
}
@keyframes fade-in { from { opacity: 0 } to { opacity: 1 } }
.auth-backdrop {
  position: absolute; inset: 0;
  background: rgba(15, 44, 58, .55);
  backdrop-filter: blur(8px);
}
.auth-card {
  position: relative;
  background: var(--surface);
  border-radius: var(--r-xl);
  padding: 32px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 30px 80px -20px rgba(15, 44, 58, .35);
  animation: slide-up .22s ease;
}
.auth-card h2 {
  margin: 0 0 6px;
  font-size: 1.6rem;
  line-height: 1.15;
}
.auth-card p { color: var(--ink-2); margin: 0 0 22px; }
.auth-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 36px; height: 36px;
  border: none;
  background: transparent;
  color: var(--ink-2);
  border-radius: 999px;
  cursor: pointer;
  display: grid; place-items: center;
}
.auth-close:hover { background: var(--bg); color: var(--ink); }
.btn-google {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 13px 20px;
  border: 1.5px solid var(--ink);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  font-family: var(--f-sans);
  font-weight: 600;
  font-size: 0.96rem;
  cursor: pointer;
  transition: background .15s, transform .12s;
}
.btn-google:hover { background: var(--ink); color: #fff; transform: translateY(-1px); }
.btn-google.is-loading { opacity: .6; pointer-events: none; }
.auth-divider {
  position: relative;
  text-align: center;
  margin: 24px 0 14px;
}
.auth-divider::before {
  content: ""; position: absolute; left: 0; right: 0; top: 50%;
  height: 1px; background: var(--line);
}
.auth-divider span {
  background: var(--surface);
  position: relative;
  padding: 0 12px;
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}
.auth-benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex; flex-direction: column; gap: 10px;
}
.auth-benefits li {
  padding: 12px 14px;
  background: var(--bg);
  border-radius: 12px;
  color: var(--ink-2);
  font-size: .92rem;
}
.auth-benefits li strong { color: var(--accent-2); margin-right: 6px; }
.auth-fineprint {
  font-size: .78rem;
  color: var(--muted);
  text-align: center;
  margin: 0;
}

/* ===================== Signed-in user widget ===================== */
.user-chip {
  width: 38px; height: 38px;
  border-radius: 999px;
  cursor: pointer;
  display: grid; place-items: center;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  overflow: hidden;
  border: 2px solid transparent;
  transition: border-color .15s;
}
.user-chip:hover { border-color: var(--accent-2); }
.user-chip img { width: 100%; height: 100%; object-fit: cover; }
.user-initial { font-size: 1rem; }
.badge-pro {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.user-menu {
  position: fixed;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 6px;
  min-width: 240px;
  z-index: 50;
  box-shadow: 0 12px 36px rgba(15,44,58,.18);
  animation: fade-in .15s ease;
}
.user-menu-head {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
  display: flex; flex-direction: column; gap: 2px;
}
.user-menu-head strong { font-size: .94rem; }
.user-menu-head span { color: var(--muted); font-size: .82rem; }
.plan-badge {
  display: inline-block;
  margin-top: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  align-self: flex-start;
}
.plan-free { background: var(--bg); color: var(--ink-2); }
.plan-premium { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.menu-item {
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--ink);
  font-family: var(--f-sans);
  font-weight: 500;
  font-size: .92rem;
  cursor: pointer;
}
.menu-item:hover { background: var(--bg); }

/* ===================== Toast ===================== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translate(-50%, 20px);
  background: var(--ink);
  color: #fff;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: .94rem;
  box-shadow: 0 16px 40px -8px rgba(15,44,58,.4);
  opacity: 0;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 90;
  max-width: 92vw;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.toast-success { background: linear-gradient(135deg, var(--accent), var(--accent-2)); }

/* ===================== Locked chapters ===================== */
.ch-list li.is-locked-text { opacity: .62; cursor: pointer; }
.ch-list li.is-locked-text:hover { opacity: .85; }
.ch-list li.is-locked-audio { opacity: .9; }
.ch-lock {
  font-size: .78rem;
  margin-left: 4px;
  filter: grayscale(.1);
}
.ch-lock-audio { color: var(--accent-2); }